A bit more info... We are definitely unable to telnet on port 25 on each others exchange = servers. I've tried going to other servers on the net and had no = problem. He has as well. he mentioned to me today that our ISP had some = routing issues a couple of weeks ago.... could this possibly be an issue = on our ISP's network? they say NO.... and they know everything of = course. Can anyone out there telnet to my box? or is it isolated to him? thanks -----Original Message----- From: Shawn R. Beairsto=20 Sent: Monday, March 24, 2003 11:14 AM To: Msexchange (E-mail) Subject: [msexchange] Problem receiving email from 1 domain Hi all, =20 We have a strange problem that cropped up early last week, and I could = use your help. We cannot recieve email from a company that used to send = to us quite regularly. We are receiving email from everywhere else in = the world. I've been working with their admin guy and they have no = problems sending emails anywhere else but here. When he tries to send = me an email, this is the response he gets: -- Your message Subject: "test" has been delayed for some or all of the = intended recipients. The recipients that were affected are: = sbeairst@xxxxxxx = <outbind://46/cgi-bin/compose?curmbox=3DF000000001&a=3De3370dc078531d3388= 34c6a17df1e97b&mailto=3D1&to=3Dsbeairst@xxxxxxx&msg=3DMSG1047928416.99&st= art=3D10587&len=3D1818&src=3D&type=3Dx> Your message was received = 09:51:58 Mon, 17 March 2003. The mail system will keep trying to deliver = your message for another 67 hours 57 minutes.=20 -- =20 We've both run out of ideas on this one. We cannot tell if its my = system or his (I'm thinking its mine). Coincidently, we both are using = the same ISP (Storm.ca), so we initially suspected some kind of routing = issue but the folks at Storm say everything is OK. We are both running = Exchange 2000. I'm not doing any blocking on the server at all. =20 Does anyone have any ideas where else we can look? =20 Thanks, =20 -- Shawn Beairsto Network Administrator Data Kinetics Ltd. http://www.dkl.com <http://www.dkl.com/>=20 =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Use the below link for Archives, and to set your preferences. http://thethin.net/exchangelist.cfm ===================== Use the below link for Archives, and to set your preferences. http://thethin.net/exchangelist.cfm